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Apple II LIbrary: Operating Systems

Apple II Operating System boot floppies.

The Internet Archive Software Library is a large collection of viewable and executable software titles, ranging from commercially released products to public domain and hobbyist programs. Using the JSMESS emulator, users can "boot up" an emulation of the given title and use it in their browser. More titles are added frequently, and users are encouraged to donate newly found floppy disk images and programs.

Date Archived
Apple DOS v3.3 (1983)(Apple)[with Adt v1.21]
Apple DOS v3.3 (1980)(Apple)[a]
Apple DOS was the family of disk operating systems for the Apple II series of microcomputers from late 1978 through early 1983. Apple DOS had three major releases: DOS 3.1, DOS 3.2, and DOS 3.3; each one of these three releases was followed by a second, minor "bug-fix" release, but only in the case of Apple DOS 3.2 did that minor release receive its own version number, Apple DOS 3.2.1. The best-known and most-used version was Apple DOS 3.3 in the 1980 and 1983 releases. Prior to the...
Diversi-DOS v4.1c (1983)(DSR)
Diversi-DOS v2c (1982)(DSR)
David-DOS (1982)(David Data)
Amdos v3.5 (1986)(Gary B. Little)
40 and 80 Track DOS (19xx)(Sympathetic Software)